Home / 887,302.16-1,330,690.80-256,221.44

Finding the Fourth Proportional to 887,302.16, 1,330,690.80 and 256,221.44

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Solution

The fourth proportional to 887,302.16, 1,330,690.80 and 256,221.44 is: 384,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,302.16 : 1,330,690.80 = 256,221.44 : x
  2. Step 2: Convert to fraction form
    887,302.16/1,330,690.80 = 256,221.44/x
  3. Step 3: Cross multiply
    887,302.16x = 1,330,690.80 × 256,221.44
  4. Step 4: Simplify right side
    887,302.16x = 340,951,512,970.75
  5. Step 5: Solve for x
    x = 340,951,512,970.75/887,302.16
  6. Step 6: Final answer
    x = 384,256.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.